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Other Comprehensive Income (Loss) (Components of Other Comprehensive Income (Loss)) (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Components of Other Comprehensive Income (Loss) [Line Items] |  |
Foreign currency translation adjustment, gross | $ 17,434 |
Other comprehensive income (loss), gross total | 17,282 | $ (4,482)
Income tax benefit related to items of other comprehensive loss | 304 | 1,706
Amounts reclassified, net of tax | 1,391 | 2,176
Changes in fair value, net of tax | (1,239) | (4,952)
Foreign currency translation adjustment, net | 17,434 |
Other comprehensive income (loss), total, net of tax | 17,586 | (2,776)
Interest Rate Swap [Member] |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |
Amounts reclassified, gross | 1,081 | 1,711
Changes in fair value, gross | 1,027 | (6,689)
Amounts reclassified, tax effect | (286) | (651)
Changes in fair value, tax effect | (272) | 2,545
Amounts reclassified, net of tax | 795 | 1,060
Changes in fair value, net of tax | 755 | (4,144)
Fuel [Member] | Commodity Contract [Member] |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |
Amounts reclassified, gross | 964 | 1,801
Changes in fair value, gross | (3,224) | (1,305)
Amounts reclassified, tax effect | (368) | (685)
Changes in fair value, tax effect | 1,230 | 497
Amounts reclassified, net of tax | 596 | 1,116
Changes in fair value, net of tax | $ (1,994) | $ (808)

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